/*
 * ******************************************************************************
 *   Copyright (c) 2013-2014 Gabriele Mariotti.
 *
 *   Licensed under the Apache License, Version 2.0 (the "License");
 *   you may not use this file except in compliance with the License.
 *   You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 *   Unless required by applicable law or agreed to in writing, software
 *   distributed under the License is distributed on an "AS IS" BASIS,
 *   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *   See the License for the specific language governing permissions and
 *   limitations under the License.
 *  *****************************************************************************
 */

package it.gmariotti.cardslib.library.utils;

import it.gmariotti.cardslib.library.Constants;
import ohos.app.Context;
import ohos.app.Environment;
import ohos.hiviewdfx.HiLog;
import ohos.media.image.ImagePacker;
import ohos.media.image.PixelMap;

import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;

/**
 * Utility class
 *
 * @author Gabriele Mariotti (gabri.mariotti@gmail.com)
 */
public class BitmapUtils {

    private static final String TAG = "BitmapUtils";


    /**
     * Creates a File from a Bitmap
     *
     * @param bitmap to convert in a file
     * @param context
     * @return File
     */
    public static File createFileFromBitmap(Context context, PixelMap bitmap) {

        if (bitmap == null) return null;

        File photoFile = null;

        ByteArrayOutputStream bytes = new ByteArrayOutputStream();

        ImagePacker imagePacker = ImagePacker.create();
        imagePacker.addImage(bitmap);
        ImagePacker.PackingOptions packingOptions = new ImagePacker.PackingOptions();
        packingOptions.quality = 100;
        imagePacker.initializePacking(bytes, packingOptions);

        File photoStorage = new File(context.getExternalFilesDir(Environment.DIRECTORY_PICTURES) + "/cardLibs");
        if (photoStorage != null) {
            photoFile = new File(photoStorage, (System.currentTimeMillis()) + ".png");
            try {
                //f.createNewFile();
                FileOutputStream fo = new FileOutputStream(photoFile);
                fo.write(bytes.toByteArray());
                fo.flush();
                fo.close();
            } catch (IOException e) {
                HiLog.error(Constants.LABEL_LOG, TAG, "Error saving image ", e);
            }
        }

        return photoFile;
    }


}
